Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,385.

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

Dubai (DXB) has the shortest average layover time for this route: 4h 18m.

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Doha (DOH) was the most common stop: 66% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 22h 46m.

What airlines fly to Washington, D.C.?

Qatar Airways, Emirates and Turkish Airlines are the top three most popular airlines that fly to Washington, D.C. from Kathmandu according to our data. Qatar Airways is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

As of August 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..

How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$633 Cheap Flights from Kathmandu to Washington, D.C. in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kathmandu to Washington, D.C.

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7:45 am - 5:10 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

31h 10m2 stops Kuwait City Cairo

12:00 pm - 9:10 amIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

35h 25m3 stops Cairo Kuwait City Abu Dhabi Zayed Intl

$1,108Multiple Airlines

Fri, Oct 16 - Thu, Oct 29

1:45 pm - 3:55 pmKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

36h 55m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

8:05 pm - 6:35 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

35h 45m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

$1,217Multiple Airlines

Sun, Dec 20 - Fri, Jan 8

1:45 pm - 3:55 pmKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

36h 55m2 stops New Delhi Indira Gandhi Intl Doha Hamad Intl

8:05 pm - 12:40 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

29h 50m2 stops Doha Hamad Intl New Delhi Indira Gandhi Intl

$1,220Multiple Airlines

Sun, Dec 13 - Thu, Jan 21

3:30 pm - 3:40 pmKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

33h 55m1 stop Doha Hamad Intl

11:05 am - 5:30 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

20h 40m1 stop Doha Hamad Intl

$1,294Qatar Airways

Tue, Sep 22 - Tue, Sep 29

3:30 pm - 8:45 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

27h 00m1 stop Doha Hamad Intl

9:00 pm - 5:30 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

34h 45m1 stop Doha Hamad Intl

$1,303Qatar Airways

Fri, Sep 25 - Wed, Sep 30

3:30 pm - 8:45 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

27h 00m1 stop Doha Hamad Intl

9:00 pm - 8:50 amIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

26h 05m1 stop Doha Hamad Intl

$1,306Qatar Airways

Fri, Sep 11 - Mon, Sep 21

3:35 pm - 8:40 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

26h 50m1 stop Dubai Intl

11:15 am - 11:30 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

26h 30m1 stop Dubai Intl

$1,533Emirates

Fri, Oct 16 - Wed, Oct 28

12:35 am - 8:40 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

41h 50m1 stop Dubai Intl

10:30 am - 6:40 pmIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

21h 25m1 stop Dubai Intl

$1,544Emirates

Mon, Oct 12 - Sat, Nov 21

12:45 pm - 11:45 amKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

33h 45m1 stop Istanbul

1:30 pm - 11:20 amIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

35h 05m1 stop Istanbul

$1,568Turkish Airlines

Sun, Dec 13 - Thu, Jan 21

12:45 pm - 7:25 pmKTM Kathmandu Tribhuvan-IAD Washington, D.C. Dulles Intl

41h 25m1 stop Istanbul

9:20 pm - 11:20 amIAD Washington, D.C. Dulles Intl-KTM Kathmandu Tribhuvan

27h 15m1 stop Istanbul

$1,568Turkish Airlines

Sun, Dec 20 - Fri, Jan 8

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Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets

Qatar Airways

Sep 25

KTM3:30 pmKathmandu Tribhuvan

27h 00m

1 stop

IAD8:45 amWashington, D.C. Dulles Intl

Sep 30

IAD9:00 pmWashington, D.C. Dulles Intl

34h 45m

1 stop

KTM5:30 pmKathmandu Tribhuvan

$1,303

Qatar Airways

Sep 11

KTM3:30 pmKathmandu Tribhuvan

27h 00m

1 stop

IAD8:45 amWashington, D.C. Dulles Intl

Sep 21

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

$1,306

Qatar Airways

Sep 11

KTM3:30 pmKathmandu Tribhuvan

27h 00m

1 stop

IAD8:45 amWashington, D.C. Dulles Intl

Sep 21

IAD9:00 pmWashington, D.C. Dulles Intl

26h 05m

1 stop

KTM8:50 amKathmandu Tribhuvan

$1,308

KLM flights from Kathmandu to Washington, D.C.

Our best KLM deals on Kathmandu to Washington, D.C. flight tickets

KLM

Sep 10

KTM8:50 pmKathmandu Tribhuvan

28h 30m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 20

IAD6:15 pmWashington, D.C. Dulles Intl

34h 10m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,538

KLM

Sep 10

KTM8:50 pmKathmandu Tribhuvan

28h 30m

2 stops

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 21

IAD6:10 pmWashington, D.C. Dulles Intl

34h 15m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,583

KLM

Sep 11

KTM8:50 pmKathmandu Tribhuvan

29h 00m

2 stops

IAD4:05 pmWashington, D.C. Dulles Intl

Sep 20

IAD6:15 pmWashington, D.C. Dulles Intl

34h 10m

2 stops

KTM2:10 pmKathmandu Tribhuvan

$1,671

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Fri 10/16

7:45 am-5:10 am

2 stops31h 10m

Washington, D.C. Dulles Intl

Thu 10/29

12:00 pm-9:10 am

3 stops35h 25m

$1,108

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Sun 12/20

1:45 pm-3:55 pm

2 stops36h 55m

Washington, D.C. Dulles Intl

Fri 1/8

8:05 pm-6:35 pm

2 stops35h 45m

$1,217

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Sun 12/13

1:45 pm-3:55 pm

2 stops36h 55m

Washington, D.C. Dulles Intl

Thu 1/21

8:05 pm-12:40 pm

2 stops29h 50m

$1,220

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Tue 9/22

3:30 pm-3:40 pm

1 stop33h 55m

Washington, D.C. Dulles Intl

Tue 9/29

11:05 am-5:30 pm

1 stop20h 40m

$1,294

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Fri 9/25

3:30 pm-8:45 am

1 stop27h 00m

Washington, D.C. Dulles Intl

Wed 9/30

9:00 pm-5:30 pm

1 stop34h 45m

$1,303

Quickest round-trip

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Fri 9/11

3:30 pm-8:45 am

1 stop27h 00m

Washington, D.C. Dulles Intl

Mon 9/21

9:00 pm-8:50 am

1 stop26h 05m

$1,306

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Fri 10/16

3:35 pm-8:40 am

1 stop26h 50m

Washington, D.C. Dulles Intl

Wed 10/28

11:15 am-11:30 pm

1 stop26h 30m

$1,533

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Mon 10/12

12:35 am-8:40 am

1 stop41h 50m

Washington, D.C. Dulles Intl

Sat 11/21

10:30 am-6:40 pm

1 stop21h 25m

$1,544

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Sun 12/13

12:45 pm-11:45 am

1 stop33h 45m

Washington, D.C. Dulles Intl

Thu 1/21

1:30 pm-11:20 am

1 stop35h 05m

$1,568

KathmanduWashington, D.C.

KTM Kathmandu Tribhuvan - IAD Washington, D.C. Dulles Intl

KTMIAD

Kathmandu Tribhuvan

Sun 12/20

12:45 pm-7:25 pm

1 stop41h 25m

Washington, D.C. Dulles Intl

Fri 1/8

9:20 pm-11:20 am

1 stop27h 15m

$1,568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $1,297. If you’re not able to fly to Washington, D.C. in February, then December is your next best option. Flight prices from Kathmandu to Washington, D.C. during December average around $1,337.

Can stopping save me money on Kathmandu to Washington, D.C. flights?

You could potentially save up to 23% on your flight if you consider stops on a Kathmandu to Washington, D.C. flight.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of August 2026, prices for Kathmandu to Washington, D.C. flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Best Price Found	$633
Fastest flight time	27h 00m
Direct flights	None

The best one-way flight to Washington, D.C. from Kathmandu in the past 72 hours is $633. The best round-trip flight deal from Kathmandu to Washington, D.C. found on momondo in the last 72 hours is $1,108.

The fastest flight from Kathmandu to Washington, D.C. takes 27h 00m

There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Kathmandu to Washington, D.C.

How far is Kathmandu Tribhuvan to Washington, D.C. by plane?
A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 27h 00m.
When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?
As of August 2026, there are 3 operators available to choose from for flights from Kathmandu Tribhuvan Airport to Washington, D.C..
How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kathmandu to Washington, D.C.?
Based on momondo bookings for flights between Kathmandu and Washington, D.C., the leading airline is Qatar Airways, making up 59% of the total bookings. Other popular airlines include Turkish Airlines with 41%.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,241	Free Cancellation	Rating 7.4 3,725 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $1,281	Free Cancellation	Rating 7.4 4,479 reviews	Search Turkish Airlines flights
Emirates	PriceFrom $1,472	Free Cancellation	Rating 8.1 3,653 reviews	Search Emirates flights

Alexandria

National Harbor

Arlington

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Laurel

Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Springfield

Fairfax

Colonial Beach

Edgewood

Glen Burnie

Tysons

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Kathmandu to Washington, D.C. from $633

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Kathmandu to Washington, D.C.

Our best Qatar Airways deals on Kathmandu to Washington, D.C. flight tickets

KLM flights from Kathmandu to Washington, D.C.

Our best KLM deals on Kathmandu to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

What is the cheapest month to fly to Washington, D.C.?

Can stopping save me money on Kathmandu to Washington, D.C. flights?

How have Kathmandu to Washington, D.C. flight prices changed over time?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Kathmandu and Washington, D.C.?

Which layover airport offers the lowest fares from Kathmandu to Washington, D.C.?

Which layover airport has the shortest travel time from Kathmandu to Washington, D.C.?

Which layover airport has the shortest connection time from Kathmandu to Washington, D.C.?

When to book flights from Kathmandu to Washington, D.C.

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Kathmandu to Washington, D.C.

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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